feat: add metallb as load balancer

infra/controllers/metallb.yaml

@@ -0,0 +1,25 @@
+---
+apiVersion: source.toolkit.fluxcd.io/v1
+kind: HelmRepository
+metadata:
+  name: metallb-repo
+  namespace: metallb-system
+spec:
+  interval: 1m0s
+  url: https://metallb.github.io/metallb
+---
+apiVersion: helm.toolkit.fluxcd.io/v2
+kind: HelmRelease
+metadata:
+  name: metallb-release
+  namespace: metallb-system
+spec:
+  chart:
+    spec:
+      chart: metallb
+      reconcileStrategy: ChartVersion
+      sourceRef:
+        kind: HelmRepository
+        name: metallb-repo
+      version: v0.14.8
+  interval: 1m0s